| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.2%
|
| -1 | Don't know | 48 |
4%
|
| 1 | A great deal | 112 |
9.4%
|
| 2 | Quite a lot | 228 |
19.1%
|
| 3 | Not very much | 447 |
37.4%
|
| 4 | None at all | 359 |
30%
|